Vessel Conversion: "Leighton Stealth" Simple Barge to Offshore Pipelaying and Accommodation Barge

Offshore Pipelay and Accommodation Barge

The Offshore Pipelay Barge and Accommodation Vessel "Leighton Stealth" is a specialized vessel designed by GB Marine. GB Marine’s scope of work includes the complete design and engineering of the superstructure, piping system design, crane support structures and finite element analysis, intact and damage stability computations for compliance with class requirements.

"Leighton Stealth" has been designed for operation in unrestricted waters. The vessel is equipped with crawler cranes and has been utilized for offshore pipe laying activities all over the world. The vessel also has ample accommodation space, multiple offices, conference  rooms, and workshops which are available for the crew in support of vessel operations.   


 Image Caption:  Offshore Pipelay and Accommodation Barge "Leighton Stealth" designed by GB Marine


Scope of Work:


  • Inclining Experiment
  • Mooring Analysis
  • Stability - Intact and Damage
  • Strength Analysis for Crane Foundation
  • Bending Moment Calculations


  • Vessel Piping Systems
  • Bilge
  • Ballast
  • Air Vent
  • Sounding
  • Pump Room
  • Lube Oil and Fuel Oil System
  • Soil and Gray Water Systems
  • Domestic Fresh Water and Sea Water Systems
  • Compressed Air Systems
  • Fire and Deck Wash
  • Generator
  • Ventilation Room Exhaust Pipe Arrangements
  • Sludge
  • Hydraulic Systems
  • Deck Scupper
  • Helideck Drain Systems


  • Vessel Electrical Systems
  • Electrical Load Arrangement
  • Main Single Diagram


  • MODU Code Operational Manuals